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Exim + Ipv6 + Gmail

Nos comunica un cliente que los mensajes le vienen devueltos con este mensaje:

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
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    SMTP error from remote mail server after end of data:
    host [2a00:1450:400c:c06::1a]:
    550-5.7.1 [2001:41d0:52:400::a67] Our system has detected that this message does
    550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and
    550-5.7.1 authentication. Please review
    550-5.7.1 for more
    550 5.7.1 information. a125si20128233wmf.3 - gsmtp

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Lo que hago es desactivar el IPV6 en el exim:

nano /etc/exim4/exim4.conf.template

y agrego la linea

CLAMD =  yes

disable_ipv6 = true

domainlist local_domains = dsearch;/etc/exim4/domains/

Última actualización: 2020-12-17